| article html file updated | 13 August 2026 17:04 CEST | Update | https://www.mdpi.com/2071-1050/7/4/3637 |
| article html file updated | 29 August 2025 21:37 CEST | Update | N/A |
| article html file updated | 16 July 2022 00:01 CEST | Update | N/A |
| article html file updated | 6 February 2020 17:05 CET | Update | N/A |
| article html file updated | 6 May 2019 22:57 CEST | Update | N/A |
| article html file updated | 25 March 2019 23:43 CET | Update | N/A |
| article html file updated | 21 August 2015 09:32 CEST | Original file | N/A |
| article pdf uploaded. | 27 March 2015 11:46 CET | Version of Record | https://www.mdpi.com/2071-1050/7/4/3637/pdf |
